1*521fa314SDavid van Moolenbroek
2*521fa314SDavid van Moolenbroek #include "inc.h"
3*521fa314SDavid van Moolenbroek
4*521fa314SDavid van Moolenbroek static const char *const escape[256] = {
5*521fa314SDavid van Moolenbroek "\\0", "\\x01", "\\x02", "\\x03", "\\x04", "\\x05", "\\x06", "\\x07",
6*521fa314SDavid van Moolenbroek "\\x08", "\\t", "\\n", "\\x0B", "\\x0C", "\\r", "\\x0E", "\\x0F",
7*521fa314SDavid van Moolenbroek "\\x10", "\\x11", "\\x12", "\\x13", "\\x14", "\\x15", "\\x16", "\\x17",
8*521fa314SDavid van Moolenbroek "\\x18", "\\x19", "\\x1A", "\\x1B", "\\x1C", "\\x1D", "\\x1E", "\\x1F",
9*521fa314SDavid van Moolenbroek " ", "!", "\\\"", "#", "$", "%", "&", "'",
10*521fa314SDavid van Moolenbroek "(", ")", "*", "+", ",", "-", ".", "/",
11*521fa314SDavid van Moolenbroek "0", "1", "2", "3", "4", "5", "6", "7",
12*521fa314SDavid van Moolenbroek "8", "9", ":", ";", "<", "=", ">", "?",
13*521fa314SDavid van Moolenbroek "@", "A", "B", "C", "D", "E", "F", "G",
14*521fa314SDavid van Moolenbroek "H", "I", "J", "K", "L", "M", "N", "O",
15*521fa314SDavid van Moolenbroek "P", "Q", "R", "S", "T", "U", "V", "W",
16*521fa314SDavid van Moolenbroek "X", "Y", "Z", "[", "\\", "]", "^", "_",
17*521fa314SDavid van Moolenbroek "`", "a", "b", "c", "d", "e", "f", "g",
18*521fa314SDavid van Moolenbroek "h", "i", "j", "k", "l", "m", "n", "o",
19*521fa314SDavid van Moolenbroek "p", "q", "r", "s", "t", "u", "v", "w",
20*521fa314SDavid van Moolenbroek "x", "y", "z", "{", "|", "}", "~", "\\x7F",
21*521fa314SDavid van Moolenbroek "\\x80", "\\x81", "\\x82", "\\x83", "\\x84", "\\x85", "\\x86", "\\x87",
22*521fa314SDavid van Moolenbroek "\\x88", "\\x89", "\\x8A", "\\x8B", "\\x8C", "\\x8D", "\\x8E", "\\x8F",
23*521fa314SDavid van Moolenbroek "\\x90", "\\x91", "\\x92", "\\x93", "\\x94", "\\x95", "\\x96", "\\x97",
24*521fa314SDavid van Moolenbroek "\\x98", "\\x99", "\\x9A", "\\x9B", "\\x9C", "\\x9D", "\\x9E", "\\x9F",
25*521fa314SDavid van Moolenbroek "\\xA0", "\\xA1", "\\xA2", "\\xA3", "\\xA4", "\\xA5", "\\xA6", "\\xA7",
26*521fa314SDavid van Moolenbroek "\\xA8", "\\xA9", "\\xAA", "\\xAB", "\\xAC", "\\xAD", "\\xAE", "\\xAF",
27*521fa314SDavid van Moolenbroek "\\xB0", "\\xB1", "\\xB2", "\\xB3", "\\xB4", "\\xB5", "\\xB6", "\\xB7",
28*521fa314SDavid van Moolenbroek "\\xB8", "\\xB9", "\\xBA", "\\xBB", "\\xBC", "\\xBD", "\\xBE", "\\xBF",
29*521fa314SDavid van Moolenbroek "\\xC0", "\\xC1", "\\xC2", "\\xC3", "\\xC4", "\\xC5", "\\xC6", "\\xC7",
30*521fa314SDavid van Moolenbroek "\\xC8", "\\xC9", "\\xCA", "\\xCB", "\\xCC", "\\xCD", "\\xCE", "\\xCF",
31*521fa314SDavid van Moolenbroek "\\xD0", "\\xD1", "\\xD2", "\\xD3", "\\xD4", "\\xD5", "\\xD6", "\\xD7",
32*521fa314SDavid van Moolenbroek "\\xD8", "\\xD9", "\\xDA", "\\xDB", "\\xDC", "\\xDD", "\\xDE", "\\xDF",
33*521fa314SDavid van Moolenbroek "\\xE0", "\\xE1", "\\xE2", "\\xE3", "\\xE4", "\\xE5", "\\xE6", "\\xE7",
34*521fa314SDavid van Moolenbroek "\\xE8", "\\xE9", "\\xEA", "\\xEB", "\\xEC", "\\xED", "\\xEE", "\\xEF",
35*521fa314SDavid van Moolenbroek "\\xF0", "\\xF1", "\\xF2", "\\xF3", "\\xF4", "\\xF5", "\\xF6", "\\xF7",
36*521fa314SDavid van Moolenbroek "\\xF8", "\\xF9", "\\xFA", "\\xFB", "\\xFC", "\\xFD", "\\xFE", "\\xFF",
37*521fa314SDavid van Moolenbroek };
38*521fa314SDavid van Moolenbroek
39*521fa314SDavid van Moolenbroek /*
40*521fa314SDavid van Moolenbroek * For the given character, return a string representing an escaped version of
41*521fa314SDavid van Moolenbroek * the character.
42*521fa314SDavid van Moolenbroek */
43*521fa314SDavid van Moolenbroek const char *
get_escape(char c)44*521fa314SDavid van Moolenbroek get_escape(char c)
45*521fa314SDavid van Moolenbroek {
46*521fa314SDavid van Moolenbroek
47*521fa314SDavid van Moolenbroek return escape[(unsigned int)(unsigned char)c];
48*521fa314SDavid van Moolenbroek }
49